ADC7802BN Burr-Brown Corporation, ADC7802BN Datasheet
ADC7802BN
Manufacturer Part Number
ADC7802BN
Description
Autocalibrating, 4-channel, 12-bit Analog-to-digital Converter
Manufacturer
Burr-Brown Corporation
Datasheet
1.ADC7802BN.pdf
(13 pages)
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FEATURES
International Airport Industrial Park
© 1990 Burr-Brown Corporation
Tel: (520) 746-1111
TOTAL UNADJUSTED ERROR
OVER FULL TEMPERATURE RANGE
FOUR-CHANNEL INPUT MULTIPLEXER
LOW POWER: 10mW plus Power Down
Mode
SINGLE SUPPLY: +5V
FAST CONVERSION TIME: 8.5 s Including
Acquisition
AUTOCAL: No Offset or Gain Adjust
Required
UNIPOLAR INPUTS: 0V to 5V
MICROPROCESSOR-COMPATIBLE
INTERFACE
INTERNAL SAMPLE/HOLD
AIN0
AIN1
AIN2
AIN3
A0
A1
ANALOG-TO-DIGITAL CONVERTER
•
Autocalibrating, 4-Channel, 12-Bit
Twx: 910-952-1111
®
Multiplexer
•
Latch and
Address
Decoder
Analog
Mailing Address: PO Box 11400
•
Cable: BBRCORP
1/2LSB
Microcontroller
and Memory
Calibration
Capacitor Array
Sampling ADC
V
REF
•
+
•
Telex: 066-6491
PDS-1050B
V
Tucson, AZ 85734
REF
–
DESCRIPTION
The ADC7802 is a monolithic CMOS 12-bit A/D
converter with internal sample/hold and four-channel
multiplexer. An autocalibration cycle, occurring auto-
matically at power on, guarantees a total unadjusted
error within 1/2LSB over the specified temperature
range, eliminating the need for offset or gain adjust-
ment. The 5V single-supply requirements and stan-
dard CS, RD, and WR control signals make the part
very easy to use in microprocessor applications. Con-
version results are available in two bytes through an 8-
bit three-state output bus.
The ADC7802 is available in a 28-pin plastic DIP and
28-lead PLCC, fully specified for operation over the
industrial –40 C to +85 C temperature range.
•
Clock
FAX: (520) 889-1510
• Street Address: 6730 S. Tucson Blvd.
Input/Output
Three-State
Control
Logic
•
Immediate Product Info: (800) 548-6132
ADC7802
Printed in U.S.A. June, 1993
CS
RD
WR
SFR
BUSY
8-Bit
Data Bus
• Tucson, AZ 85706
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